Bellows parts of machines; compressed air engines not for land vehicles; compressors for machines; compressed air pumps for use as garage installations; steam condensers parts of machines; aerocondensers; water separators; blowing machines; blowing machines for the compression and transport of gases; filtering machines; pumps parts of machines, engines or motors; vacuum pumps machines; compressed air pumps; pumps for heating engines; condensing installations, namely, air condensers; air sucti...